What was found
1080 CR JOINT HAS 20 PERCENT IND OF CORROSION LOSS 5-10L AND 3 FASTENERS UP ALSO HAS 20 PERCENT IND. REMOVED FASTENERS AND CUT OUT DAMAGED SECTION OF AFT SKIN BS 1080 FROM STA 10L TO 4L 59 .375 X 4 .125 AS PER S/B 53-0109 R4. VISUAL INSP COMPLIED WITH NO FURTHER CORROSION NOTED. ALODINED AND PRIMED AREA PER SRM 51-10-2. FABRICATED PARTS AND INSTALLED PER S/B 727-53-1090. SEALED AREA AS REQUIRED PER S/B 727-53 1090.